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Haplotipe–analise van die fenielalanienhidroksilase–lokus in families met fenielketonurie
(Potchefstroom University for Christian Higher Education, 1989)
Cloning of a full-length human cDNA for phenylalanine hydroxylase (PAH) has led to major advances In the application of recombinant DNA techniques to the study of classical phenylketonuria (PKU) I a common autosomal recessive ...
Gradient analysis of bottomland vegetation in three land types of the Highveld region
(North-West University (South Africa), 1989)
The need for improved management and a better ecological
understanding of the veld in South Africa cannot be over
emphasised. The influence of grazing on the veld species
composition and veld condition in general is ...
Geraasblootstelling van werkers op 'n steenkoolmyn met spesifieke verwysing na die formulering van riglyne vir gehoorbeskerming
(North-West University (South Africa), 1989)
Mechanization in the coal mining industry resulted, as were
the case in other industries, in certain byproducts which are
detrimental to the health of workers. Not the least is the
detrimental effect industrial noise ...
'n Plantekologiese verwysingsperseelnetwerk vir die Hoëveldlandboustreek
(North-West University (South Africa), 1989)
A PLANT ECOLOGICAL REFERENCE AREA NETWORK FOR THE HIGHVELD
AGRICULTURE REGION
As a necessity for determining field condition, a reference standard by
which pasture evaluation in South Africa can be applied, has ...
Endofitiese fungusse teenwoordig in 'n aantal Suid-Afrikaanse grasspesies
(North-West University (South Africa), 1989)
Th e aim of this study was to determine the endophytic leaf fungi of some
South-African grasses.
The terms endophyte, symbiosis and biotrophic as well as plants which
harboured endophytic fungi were reviewed. Eudophytic ...
Die sellulere verdedigingsmeganisme by die varswaterslak Bulinus Africanus
(North-West University (South Africa), 1989)
Certain aspects of the cellular immune mechanism of the freshwater snail
Bulinus africanus were investigated. It was established by means of
electronmicroscopy that mainly two cell types namely granulocytes and
hya ...